Home / 1,745,112.75-2,617,669.89-547,128.47

Finding the Fourth Proportional to 1,745,112.75, 2,617,669.89 and 547,128.47

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Solution

The fourth proportional to 1,745,112.75, 2,617,669.89 and 547,128.47 is: 820,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,112.75 : 2,617,669.89 = 547,128.47 : x
  2. Step 2: Convert to fraction form
    1,745,112.75/2,617,669.89 = 547,128.47/x
  3. Step 3: Cross multiply
    1,745,112.75x = 2,617,669.89 × 547,128.47
  4. Step 4: Simplify right side
    1,745,112.75x = 1,432,201,726,886.14
  5. Step 5: Solve for x
    x = 1,432,201,726,886.14/1,745,112.75
  6. Step 6: Final answer
    x = 820,692.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.